diff --git a/wp-admin/includes/media.php b/wp-admin/includes/media.php
index 93eceeca3a..f44f01559f 100644
--- a/wp-admin/includes/media.php
+++ b/wp-admin/includes/media.php
@@ -3340,7 +3340,7 @@ function wp_read_video_metadata( $file ) {
 }
 
 /**
- * Retrieve metadata from a audio file's ID3 tags
+ * Retrieve metadata from an audio file's ID3 tags.
  *
  * @since 3.6.0
  *
@@ -3384,6 +3384,14 @@ function wp_read_audio_metadata( $file ) {
 		$metadata['length_formatted'] = $data['playtime_string'];
 	}
 
+	if ( empty( $metadata['created_timestamp'] ) ) {
+		$created_timestamp = wp_get_media_creation_timestamp( $data );
+
+		if ( false !==  $created_timestamp ) {
+			$metadata['created_timestamp'] = $created_timestamp;
+		}
+	}
+
 	wp_add_id3_tag_data( $metadata, $data );
 
 	return $metadata;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d66a5b3712..a4aa85d998 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.1-alpha-44527';
+$wp_version = '5.1-alpha-44528';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.